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Live attenuated vaccine

This is a vaccine made from the live virus which has been altered to make it less harmful. The live vaccines in the childhood immunisation schedule are oral polio, MMR and BCG. Other live vaccines include yellow fever and one form of typhoid vaccine.

Low grade fever

A slightly raised body temperature

Lymph nodes

Small glands that store cells that act as the body's fisrt line of defense, fighting infection and other diseases, including cancer.